Hole saw arbor



FIG. 1 is a front, top, and left side perspective view of a hole saw arbor showing our new design;

FIG. 2 is a left-side elevational view thereof;

FIG. 3 is a right-side elevational view thereof;

FIG. 4 is a front elevational view thereof;

FIG. 5 is a rear elevational view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof;

FIG. 8 is a rear, top, and left side perspective view thereof;

FIG. 9 is a front, bottom, and left side perspective view thereof; and,

FIG. 10 is a rear, bottom and left side perspective view thereof.

The broken lines in the drawings illustrate portions of the hole saw arbor that form no part of the claimed design. 

CLAIM We claim the ornamental design for a hole saw arbor substantially, as shown and described. 